pass
+class ReadOnlyDictView(object):
+ """
+ Provides simplified read-only view upon dict object.
+ """
+
+ def __init__(self, viewed_dict):
+ self.viewed_dict = viewed_dict
+
+ def __getitem__(self, key):
+ return copy.deepcopy(self.viewed_dict.__getitem__(key))
+
+ def __contains__(self, k):
+ return self.viewed_dict.__contains__(k)
+
+ def __iter__(self):
+ for value in self.viewed_dict:
+ yield copy.deepcopy(value)
+
+ def __len__(self):
+ return len(self.viewed_dict)
+
+ def get(self, key, default=None):
+ return copy.deepcopy(self.viewed_dict.get(key, default))
+
+ def items(self):
+ return [copy.deepcopy(v) for v in self.viewed_dict.items()]
+
+ def values(self):
+ return [copy.deepcopy(v) for v in self.viewed_dict.values()]
+
+
class SerializingObject(object):
"""
Common ancestor for TaskResource & TaskFilter, since they both
not export empty-valued attributes) if the attribute
is not iterable (e.g. list or set), in which case
a empty iterable should be used.
+
+ Normalizing methods should hold the following contract:
+ - They are used to validate and normalize the user input.
+ Any attribute value that comes from the user (during Task
+ initialization, assignign values to Task attributes, or
+ filtering by user-provided values of attributes) is first
+ validated and normalized using the normalize_{key} method.
+ - If validation or normalization fails, normalizer is expected
+ to raise ValueError.
"""
def _deserialize(self, key, value):
def deserialize_entry(self, value):
return self.timestamp_deserializer(value)
+ def normalize_entry(self, value):
+ return self.datetime_normalizer(value)
+
def serialize_modified(self, value):
return self.timestamp_serializer(value)
def deserialize_modified(self, value):
return self.timestamp_deserializer(value)
+ def normalize_modified(self, value):
+ return self.datetime_normalizer(value)
+
def serialize_due(self, value):
return self.timestamp_serializer(value)
def deserialize_due(self, value):
return self.timestamp_deserializer(value)
+ def normalize_due(self, value):
+ return self.datetime_normalizer(value)
+
def serialize_scheduled(self, value):
return self.timestamp_serializer(value)
def deserialize_scheduled(self, value):
return self.timestamp_deserializer(value)
+ def normalize_scheduled(self, value):
+ return self.datetime_normalizer(value)
+
def serialize_until(self, value):
return self.timestamp_serializer(value)
def deserialize_until(self, value):
return self.timestamp_deserializer(value)
+ def normalize_until(self, value):
+ return self.datetime_normalizer(value)
+
def serialize_wait(self, value):
return self.timestamp_serializer(value)
def deserialize_wait(self, value):
return self.timestamp_deserializer(value)
+ def normalize_wait(self, value):
+ return self.datetime_normalizer(value)
+
def serialize_annotations(self, value):
value = value if value is not None else []
uuids = raw_uuids.split(',')
return set(self.warrior.tasks.get(uuid=uuid) for uuid in uuids if uuid)
- def normalize_datetime(self, value):
+ def datetime_normalizer(self, value):
"""
Normalizes date/datetime value (considered to come from user input)
to localized datetime value. Following conversions happen:
localized = value
return localized
-
+
+ def normalize_uuid(self, value):
+ # Enforce sane UUID
+ if not isinstance(value, six.text_type) or value == '':
+ raise ValueError("UUID must be a valid non-empty string.")
+
+ return value
class TaskResource(SerializingObject):
if key in self.read_only_fields:
raise RuntimeError('Field \'%s\' is read-only' % key)
- # Localize any naive date/datetime to the detected timezone
- if (isinstance(value, datetime.datetime) or
- isinstance(value, datetime.date)):
- value = self.normalize_datetime(value)
-
+ # Normalize the user input before saving it
+ value = self._normalize(key, value)
self._data[key] = value
def __str__(self):
for (key, value) in six.iteritems(kwargs))
self._original_data = copy.deepcopy(self._data)
+ # Provide read only access to the original data
+ self.original = ReadOnlyDictView(self._original_data)
+
def __unicode__(self):
return self['description']
# convention in TW for empty values
attribute_key = key.split('.')[0]
- # Since this is user input, we need to normalize datetime
- # objects
- if (isinstance(value, datetime.datetime) or
- isinstance(value, datetime.date)):
- value = self.normalize_datetime(value)
-
+ # Since this is user input, we need to normalize before we serialize
+ value = self._normalize(key, value)
value = self._serialize(attribute_key, value)
# If we are filtering by uuid:, do not use uuid keyword
stdout, stderr = [x.decode('utf-8') for x in p.communicate()]
return stdout.strip('\n')
- def execute_command(self, args, config_override={}):
+ def execute_command(self, args, config_override={}, allow_failure=True):
command_args = self._get_command_args(
args, config_override=config_override)
logger.debug(' '.join(command_args))
p = subprocess.Popen(command_args, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = [x.decode('utf-8') for x in p.communicate()]
- if p.returncode:
+ if p.returncode and allow_failure:
if stderr.strip():
error_msg = stderr.strip().splitlines()[-1]
else:
raise TaskWarriorException(error_msg)
return stdout.strip().split('\n')
+ def enforce_recurrence(self):
+ # Run arbitrary report command which will trigger generation
+ # of recurrent tasks.
+ # TODO: Make a version dependant enforcement once
+ # TW-1531 is handled
+ self.execute_command(['next'], allow_failure=False)
+
def filter_tasks(self, filter_obj):
+ self.enforce_recurrence()
args = ['export', '--'] + filter_obj.get_filter_params()
tasks = []
for line in self.execute_command(args):